CN109486230A - A kind of preparation method of environmental friendly, anti-corrosive particieboard - Google Patents
A kind of preparation method of environmental friendly, anti-corrosive particieboard Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
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- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/007—Manufacture of substantially flat articles, e.g. boards, from particles or fibres and at least partly composed of recycled material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
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- B27N3/08—Moulding or pressing
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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Abstract
The invention belongs to Furniture panel technical field, especially a kind of preparation method of environmental friendly, anti-corrosive particieboard solves in the prior art that particieboard hygroscopicity is big, and anti-corrosion, anti-mold effect are poor, and in wet condition using bacterium is easily bred, service life is short；Easy release formaldehyde gas, the problem of feature of environmental protection difference harmful to human health and indoor environment, the environmental friendly, anti-corrosive particieboard, comprising the following steps: S1, prepare base-material；S2, preservative is prepared；S3, preparation anti-corrosion base-material；S4, particieboard is prepared.Particieboard hygroscopicity prepared by the present invention is small, and anti-corrosion, anti-mold effect are significant, can be placed under hot and humid environment for a long time, long service life, safety and environmental protection, will not discharge to human health and the harmful gas of environment, excellent in mechanical performance.
Description
Technical field
The present invention relates to Furniture panel technical field more particularly to a kind of preparation methods of environmental friendly, anti-corrosive particieboard.
Background technique
Particieboard is the particle made of timber or other ligno-cellulosic materials, in heating power and pressure after application adhesive
The wood-based plate composed under effect, also known as flakeboard.It is mainly used for Furniture manufacture and building industry and train, automobile bodies system
It makes.Because particieboard has structure uniform, processing performance is good, can directly use, and does not need to dry again, sound-absorbing and sound insulation value
Well, it is preferably former to become production different size, the furniture of pattern for the advantages that can according to need the plate for being processed into large format
Material；And particieboard production energy consumption is small, at low cost, low to production quality requirements of raw materials, excellent in mechanical performance is widely used
In industries such as furniture, finishing, building materials.However since particieboard raw materials are timber or other ligno-cellulosic materials, deposit
It is big in hygroscopicity, it easily addles in use process, mildew problem, and due to generally will use in particieboard production process
Formaldehyde base adhesive, therefore its finished product more or less discharges free formaldehyde, exists to human health and environment and threatens.
With the continuous improvement of living standards, people are higher and higher to the health requirements of home environment.Existing particieboard
Hygroscopicity is big, and anti-corrosion, anti-mold effect are poor, and in wet condition using bacterium is easily bred, service life is short；In addition it easily discharges first
Aldehyde gas, harmful to human health and indoor environment, the feature of environmental protection is poor.Therefore, safety and environmental protection is prepared, waterproof is mould proof, and anti-corrosion makes
Become the inexorable trend of development with service life long particieboard.Based on above statement, the invention proposes a kind of environmental friendly, anti-corrosives
The preparation method of particieboard.
Summary of the invention
The purpose of the present invention is to solve particieboard hygroscopicity in the prior art is big, anti-corrosion, anti-mold effect are poor, in humidity
Using bacterium is easily bred under environment, service life is short；Easy release formaldehyde gas, environmental protection harmful to human health and indoor environment
Property difference problem, and propose a kind of environmental friendly, anti-corrosive particieboard preparation method.
A kind of environmental friendly, anti-corrosive particieboard, comprising the following steps:
S1, prepare base-material: by bamboo and wood waste material, bamboo and wood leftover pieces, straw and rice husk by screening and magnetic impurity elimination, then altogether
With being added in pulverizer, being crushed to partial size is 0.5~5mm, obtains base-material；
S2, preservative is prepared: by 1~2 parts by weight of 3~8 parts by weight of zinc silicate, 3~8 parts by weight of glass flake and sodium propionate
Co-ground, then be added 20~30 parts by weight deionized water, 3~8min of sonic oscillation after being warming up to 78~98 DEG C, then
Tetrahydroxy is added and closes 3~5 parts by weight of sodium aluminate and 10~20 parts by weight of polytetrafluoroethylene powder, is continuously heating to 125~145 DEG C,
10~20min of heating stirring is up to preservative；
S3, preparation anti-corrosion base-material: it by 80~100 parts by weight of base-material, 10~18 parts by weight of ethylene glycol ether acetate and goes
100~140 parts by weight of ionized water are added in mixing machine jointly, and 115~135 DEG C are warming up to after being stirred, and step S2 is added
In preservative, with the revolving speed of 400~800r/min, 1~2h of stir process, then drying to moisture content is 0~17%, is obtained anti-
Rotten base-material；
S4, it prepares particieboard: 5~12 parts by weight of methanal disintegrant, 4~8 parts by weight of urea-formaldehyde resin adhesive is added jointly
Enter into anti-corrosion base-material, is 0.8~1.5MPa in pressure after being uniformly mixed, under conditions of temperature is 134~154 DEG C, warp
Platen-press hot pressing is up to environmental friendly, anti-corrosive particieboard；
Above-mentioned methanal disintegrant is made by following methods:
A, prepare raw material, including 5~12 parts by weight of clay, 3~8 parts by weight of aluminium oxide, 1~2 parts by weight of peromag, chlorine
Change 1~2 parts by weight of iron, 2~5 parts by weight of propandiol butyl ether, 2~5 parts by weight of hydrochloric acid solution, wooden that mass fraction is 3.5%
Plain 1~3 parts by weight of ichthyodin, 20~30 parts by weight of deionized water；
B, clay, aluminium oxide, peromag and iron chloride are added to jointly in grinder, deionization is added after being fully ground
Water sonic oscillation, be uniformly dispersed to obtain mixture I；
C, mixture I is warming up to 72~92 DEG C, the hydrochloric acid solution that mass fraction is 3.5%, heat preservation is added while stirring
After stirring 20~40min, propandiol butyl ether and ammonium lignosulphonate is added, continues 8~15min of stirring, obtains methanal disintegrant.
Preferably, the methanal disintegrant includes following raw material: 6~10 parts by weight of clay, 4~7 parts by weight of aluminium oxide, mistake
1.2~1.8 parts by weight of magnesia, 1.2~1.8 parts by weight of iron chloride, 3~4 parts by weight of propandiol butyl ether, mass fraction are
3.5% 3~4 parts by weight of hydrochloric acid solution, 1.5~2.5 parts by weight of ammonium lignosulphonate, 22~28 parts by weight of deionized water.
Preferably, the methanal disintegrant includes following raw material: 8 parts by weight of clay, 5 parts by weight of aluminium oxide, peromag
1.5 parts by weight, 1.5 parts by weight of iron chloride, 3.5 parts by weight of propandiol butyl ether, 3.5 weight of hydrochloric acid solution that mass fraction is 3.5%
Measure part, 2 parts by weight of ammonium lignosulphonate, 25 parts by weight of deionized water.
A kind of environmental friendly, anti-corrosive particieboard proposed by the present invention, has the advantages that
1, the present invention is using being made base-material after bamboo and wood waste material, bamboo and wood leftover pieces, straw and rice husk impurity elimination, using zinc silicate,
Glass flake, sodium propionate, deionized water, tetrahydroxy close sodium aluminate and preservative is made in polytetrafluoroethylene powder compounding, by base-material, second
Preservative is added in heating after glycol ether acetate and deionized water mixing, and anti-corrosion base-material is made in drying after stirring, by anti-corrosion base
Material is stirred rear hot pressing with methanal disintegrant, urea-formaldehyde resin adhesive and obtains environmental friendly, anti-corrosive particieboard, prepared by the present invention
Particieboard hygroscopicity is small, and anti-corrosion, anti-mold effect are significant, can be placed under hot and humid environment for a long time, long service life, safety collar
It protects, will not discharge to human health and the harmful gas of environment, it is fire-retardant to solve particieboard in the prior art for excellent in mechanical performance
Property is poor, and a large amount of filler and fire-retardants cause mechanical properties decrease；Easy release formaldehyde gas, it is harmful to human health and indoor environment,
The problem of feature of environmental protection difference, preparation method proposed by the present invention is easy to operate, and preparation condition is mild, easy to industrialized production, can obtain
It is widely applied.
2, the present invention closes sodium aluminate and polytetrafluoroethyl-ne using zinc silicate, glass flake, sodium propionate, deionized water, tetrahydroxy
Preservative is made in alkene powder compounding, the performance with good anti-corrosion and insect prevention；It can replace or consume the moisture in particieboard
And moisture, the generation of mould is avoided, and then there is good anti-mold effect；Research experiment proves, into particieboard production base-material
Preservative is added, its anti-corrosion, fungicidal properties can not only be enhanced, additionally it is possible to improve the therein porosity of particieboard, increase
The secret room of particieboard, and then improve the mechanical property of particieboard.
3, the methanal disintegrant that the present invention selects is by clay, aluminium oxide, peromag, iron chloride, propandiol butyl ether, hydrochloric acid
Solution, ammonium lignosulphonate and deionized water are mixed to prepare, and are able to suppress the release of formaldehyde gas, have it is significant decompose,
Formaldehyde gas is absorbed, the effect of air is purified, addition can decompose release hair formaldehyde gas in urea-formaldehyde resin adhesive into base-material
Body is avoided damaging human health and be polluted to indoor environment, and prepared particieboard environmental-protecting performance is excellent, can be wide
It is general to be applied to indoor and outdoor.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment one
A kind of environmental friendly, anti-corrosive particieboard proposed by the present invention, comprising the following steps:
S1, prepare base-material: by bamboo and wood waste material, bamboo and wood leftover pieces, straw and rice husk by screening and magnetic impurity elimination, then altogether
With being added in pulverizer, being crushed to partial size is 0.5mm, obtains base-material；
S2, preservative is prepared: by 1 parts by weight co-ground of 3 parts by weight of zinc silicate, 3 parts by weight of glass flake and sodium propionate,
Then the deionized water of 20 parts by weight is added, then sonic oscillation 3min after being warming up to 78 DEG C is added tetrahydroxy and closes 3 weight of sodium aluminate
Part and 10 parts by weight of polytetrafluoroethylene powder are measured, are continuously heating to 125 DEG C, heating stirring 10min is up to preservative；
S3, preparation anti-corrosion base-material: by 80 parts by weight of base-material, 10 parts by weight of ethylene glycol ether acetate and deionized water 100
Parts by weight are added in mixing machine jointly, and 115 DEG C are warming up to after being stirred, and the preservative in step S2 are added, with 400r/
The revolving speed of min, stir process 1h, then drying to moisture content is 5%, obtains anti-corrosion base-material；
S4, it prepares particieboard: 5 parts by weight of methanal disintegrant, 4 parts by weight of urea-formaldehyde resin adhesive is added to anti-corrosion jointly
It is 0.8MPa in pressure, under conditions of temperature is 134 DEG C, through platen-press hot pressing up to thick after being uniformly mixed in base-material
Degree is the environmental friendly, anti-corrosive particieboard of 13mm；
Above-mentioned methanal disintegrant is made by following methods:
A, prepare raw material, including 5 parts by weight of clay, 3 parts by weight of aluminium oxide, 1 parts by weight of peromag, 1 weight of iron chloride
Part, 1 parts by weight of ammonium lignosulphonate, is gone at 2 parts by weight of hydrochloric acid solution that 2 parts by weight of propandiol butyl ether, mass fraction are 3.5%
20 parts by weight of ionized water；
B, clay, aluminium oxide, peromag and iron chloride are added to jointly in grinder, deionization is added after being fully ground
Water sonic oscillation, be uniformly dispersed to obtain mixture I；
C, mixture I is warming up to 72 DEG C, the hydrochloric acid solution that mass fraction is 3.5%, insulated and stirred is added while stirring
After 20min, propandiol butyl ether and ammonium lignosulphonate is added, continues to stir 8min, obtains methanal disintegrant.
Embodiment two
A kind of environmental friendly, anti-corrosive particieboard proposed by the present invention, comprising the following steps:
S1, prepare base-material: by bamboo and wood waste material, bamboo and wood leftover pieces, straw and rice husk by screening and magnetic impurity elimination, then altogether
With being added in pulverizer, being crushed to partial size is 3mm, obtains base-material；
S2, it prepares preservative: 5 parts by weight of zinc silicate, 5 parts by weight of glass flake and 1.5 parts by weight of sodium propionate is ground jointly
Mill, is then added the deionized water of 25 parts by weight, sonic oscillation 5min after being warming up to 88 DEG C, and tetrahydroxy is then added and closes sodium aluminate
15 parts by weight of 4 parts by weight and polytetrafluoroethylene powder, are continuously heating to 135 DEG C, heating stirring 15min is up to preservative；
S3, preparation anti-corrosion base-material: by 90 parts by weight of base-material, 14 parts by weight of ethylene glycol ether acetate and deionized water 120
Parts by weight are added in mixing machine jointly, and 125 DEG C are warming up to after being stirred, and the preservative in step S2 are added, with 600r/
The revolving speed of min, stir process 1.5h, then drying to moisture content is 10%, obtains anti-corrosion base-material；
S4, it prepares particieboard: 8 parts by weight of methanal disintegrant, 6 parts by weight of urea-formaldehyde resin adhesive is added to anti-corrosion jointly
It is 1.2MPa in pressure, under conditions of temperature is 144 DEG C, through platen-press hot pressing up to thick after being uniformly mixed in base-material
Degree is the environmental friendly, anti-corrosive particieboard of 13mm；
Above-mentioned methanal disintegrant is made by following methods:
A, prepare raw material, including 8 parts by weight of clay, 5 parts by weight of aluminium oxide, 1.5 parts by weight of peromag, iron chloride 1.5
Parts by weight, 3.5 parts by weight of propandiol butyl ether, 3.5 parts by weight of hydrochloric acid solution that mass fraction is 3.5%, 2 weight of ammonium lignosulphonate
Measure part, 25 parts by weight of deionized water；
B, clay, aluminium oxide, peromag and iron chloride are added to jointly in grinder, deionization is added after being fully ground
Water sonic oscillation, be uniformly dispersed to obtain mixture I；
C, mixture I is warming up to 82 DEG C, the hydrochloric acid solution that mass fraction is 3.5%, insulated and stirred is added while stirring
After 30min, propandiol butyl ether and ammonium lignosulphonate is added, continues to stir 12min, obtains methanal disintegrant.
Embodiment three
A kind of environmental friendly, anti-corrosive particieboard proposed by the present invention, comprising the following steps:
S1, prepare base-material: by bamboo and wood waste material, bamboo and wood leftover pieces, straw and rice husk by screening and magnetic impurity elimination, then altogether
With being added in pulverizer, being crushed to partial size is 5mm, obtains base-material；
S2, preservative is prepared: by 2 parts by weight co-ground of 8 parts by weight of zinc silicate, 8 parts by weight of glass flake and sodium propionate,
Then the deionized water of 30 parts by weight is added, then sonic oscillation 8min after being warming up to 98 DEG C is added tetrahydroxy and closes 5 weight of sodium aluminate
Part and 20 parts by weight of polytetrafluoroethylene powder are measured, are continuously heating to 145 DEG C, heating stirring 20min is up to preservative；
S3, preparation anti-corrosion base-material: by 100 parts by weight of base-material, 18 parts by weight of ethylene glycol ether acetate and deionized water 140
Parts by weight are added in mixing machine jointly, and 135 DEG C are warming up to after being stirred, and the preservative in step S2 are added, with 800r/
The revolving speed of min, stir process 2h, then drying to moisture content is 17%, obtains anti-corrosion base-material；
S4, it prepares particieboard: 12 parts by weight of methanal disintegrant, 8 parts by weight of urea-formaldehyde resin adhesive being added to jointly anti-
It is 1.5MPa in pressure, under conditions of temperature is 154 DEG C, through platen-press hot pressing after being uniformly mixed in rotten base-material to obtain the final product
With a thickness of the environmental friendly, anti-corrosive particieboard of 13mm；
Above-mentioned methanal disintegrant is made by following methods:
A, prepare raw material, including 12 parts by weight of clay, 8 parts by weight of aluminium oxide, 2 parts by weight of peromag, 2 weight of iron chloride
Part, 3 parts by weight of ammonium lignosulphonate, is gone at 5 parts by weight of hydrochloric acid solution that 5 parts by weight of propandiol butyl ether, mass fraction are 3.5%
30 parts by weight of ionized water；
B, clay, aluminium oxide, peromag and iron chloride are added to jointly in grinder, deionization is added after being fully ground
Water sonic oscillation, be uniformly dispersed to obtain mixture I；
C, mixture I is warming up to 92 DEG C, the hydrochloric acid solution that mass fraction is 3.5%, insulated and stirred is added while stirring
After 40min, propandiol butyl ether and ammonium lignosulphonate is added, continues to stir 15min, obtains methanal disintegrant.
Comparative example one
A kind of environmental friendly, anti-corrosive particieboard proposed by the present invention, comprising the following steps:
S1, bamboo and wood waste material, bamboo and wood leftover pieces, straw and rice husk are passed through into screening and magnetic impurity elimination, are then added to jointly
In pulverizer, being crushed to partial size is 0.5mm, obtains base-material；
S2,80 parts by weight of base-material, 10 parts by weight of ethylene glycol ether acetate and 100 parts by weight of deionized water are added jointly
Into mixing machine, 115 DEG C are warming up to after being stirred, with the revolving speed of 400r/min, then stir process 1h is dried to moisture content
It is 5%, obtains modified base material；
S3,5 parts by weight of methanal disintegrant, 4 parts by weight of urea-formaldehyde resin adhesive are added in modified base material jointly, are stirred
It after mixing, is 0.8MPa in pressure, under conditions of temperature is 134 DEG C, through platen-press hot pressing up to a thickness of 13mm's
Environment-friendly type shaving board；
Above-mentioned methanal disintegrant is made by following methods:
A, prepare raw material, including 5 parts by weight of clay, 3 parts by weight of aluminium oxide, 1 parts by weight of peromag, 1 weight of iron chloride
Part, 1 parts by weight of ammonium lignosulphonate, is gone at 2 parts by weight of hydrochloric acid solution that 2 parts by weight of propandiol butyl ether, mass fraction are 3.5%
20 parts by weight of ionized water；
B, clay, aluminium oxide, peromag and iron chloride are added to jointly in grinder, deionization is added after being fully ground
Water sonic oscillation, be uniformly dispersed to obtain mixture I；
C, mixture I is warming up to 72 DEG C, the hydrochloric acid solution that mass fraction is 3.5%, insulated and stirred is added while stirring
After 20min, propandiol butyl ether and ammonium lignosulphonate is added, continues to stir 8min, obtains methanal disintegrant.
Comparative example two
A kind of environmental friendly, anti-corrosive particieboard proposed by the present invention, comprising the following steps:
S1, prepare base-material: by bamboo and wood waste material, bamboo and wood leftover pieces, straw and rice husk by screening and magnetic impurity elimination, then altogether
With being added in pulverizer, being crushed to partial size is 0.5mm, obtains base-material；
S2, preservative is prepared: by 1 parts by weight co-ground of 3 parts by weight of zinc silicate, 3 parts by weight of glass flake and sodium propionate,
Then the deionized water of 20 parts by weight is added, then sonic oscillation 3min after being warming up to 78 DEG C is added tetrahydroxy and closes 3 weight of sodium aluminate
Part and 10 parts by weight of polytetrafluoroethylene powder are measured, are continuously heating to 125 DEG C, heating stirring 10min is up to preservative；
S3, preparation anti-corrosion base-material: by 80 parts by weight of base-material, 10 parts by weight of ethylene glycol ether acetate and deionized water 100
Parts by weight are added in mixing machine jointly, and 115 DEG C are warming up to after being stirred, and the preservative in step S2 are added, with 400r/
The revolving speed of min, stir process 1h, then drying to moisture content is 5%, obtains anti-corrosion base-material；
S4, it prepares particieboard: 4 parts by weight of urea-formaldehyde resin adhesive is added to jointly in anti-corrosion base-material, be stirred
It is 0.8MPa in pressure after even, under conditions of temperature is 134 DEG C, is dug through platen-press hot pressing up to a thickness of the anti-corrosion of 13mm
Card.
Comparative example three
A kind of environmental friendly, anti-corrosive particieboard proposed by the present invention, comprising the following steps:
S1, prepare base-material: by bamboo and wood waste material, bamboo and wood leftover pieces, straw and rice husk by screening and magnetic impurity elimination, then altogether
With being added in pulverizer, being crushed to partial size is 0.5mm, obtains base-material；
S2, preparation anti-corrosion base-material: by 80 parts by weight of base-material, 10 parts by weight of ethylene glycol ether acetate and deionized water 100
Parts by weight are added in mixing machine jointly, and 115 DEG C are warming up to after being stirred, and 3 parts by weight of zinc silicate, 3 weight of glass flake are added
Measure part, 1 parts by weight of sodium propionate, 20 parts by weight of deionized water, tetrahydroxy conjunction 3 parts by weight of sodium aluminate and 10 weight of polytetrafluoroethylene powder
Part, with the revolving speed of 400r/min, stir process 1h, then drying to moisture content is 5%, obtains anti-corrosion base-material；
S3, it prepares particieboard: 5 parts by weight of methanal disintegrant, 4 parts by weight of urea-formaldehyde resin adhesive is added to anti-corrosion jointly
It is 0.8MPa in pressure, under conditions of temperature is 134 DEG C, through platen-press hot pressing up to thick after being uniformly mixed in base-material
Degree is the environmental friendly, anti-corrosive particieboard of 13mm；
Above-mentioned methanal disintegrant is made by following methods:
A, prepare raw material, including 5 parts by weight of clay, 3 parts by weight of aluminium oxide, 1 parts by weight of peromag, 1 weight of iron chloride
Part, 1 parts by weight of ammonium lignosulphonate, is gone at 2 parts by weight of hydrochloric acid solution that 2 parts by weight of propandiol butyl ether, mass fraction are 3.5%
20 parts by weight of ionized water；
B, clay, aluminium oxide, peromag and iron chloride are added to jointly in grinder, deionization is added after being fully ground
Water sonic oscillation, be uniformly dispersed to obtain mixture I；
C, mixture I is warming up to 72 DEG C, the hydrochloric acid solution that mass fraction is 3.5%, insulated and stirred is added while stirring
After 20min, propandiol butyl ether and ammonium lignosulphonate is added, continues to stir 8min, obtains methanal disintegrant.
Comparative example four
A kind of environmental friendly, anti-corrosive particieboard proposed by the present invention, comprising the following steps:
S1, prepare base-material: by bamboo and wood waste material, bamboo and wood leftover pieces, straw and rice husk by screening and magnetic impurity elimination, then altogether
With being added in pulverizer, being crushed to partial size is 0.5mm, obtains base-material；
S2, preservative is prepared: by 1 parts by weight co-ground of 3 parts by weight of zinc silicate, 3 parts by weight of glass flake and sodium propionate,
Then the deionized water of 20 parts by weight is added, then sonic oscillation 3min after being warming up to 78 DEG C is added tetrahydroxy and closes 3 weight of sodium aluminate
Part and 10 parts by weight of polytetrafluoroethylene powder are measured, are continuously heating to 125 DEG C, heating stirring 10min is up to preservative；
S3, preparation anti-corrosion base-material: by 80 parts by weight of base-material, 10 parts by weight of ethylene glycol ether acetate and deionized water 100
Parts by weight are added in mixing machine jointly, and 115 DEG C are warming up to after being stirred, and the preservative in step S2 are added, with 400r/
The revolving speed of min, stir process 1h, then drying to moisture content is 5%, obtains anti-corrosion base-material；
S4, it prepares particieboard: 5 parts by weight of methanal disintegrant, 4 parts by weight of urea-formaldehyde resin adhesive is added to anti-corrosion jointly
It is 0.8MPa in pressure, under conditions of temperature is 134 DEG C, through platen-press hot pressing up to thick after being uniformly mixed in base-material
Degree is the environmental friendly, anti-corrosive particieboard of 13mm；
Above-mentioned methanal disintegrant is made by following methods:
(1) the careless acid dihydrazide of 120 parts of water, 39 parts of licorices and 4.8 parts is mixed, is stirred continuously until all components
It is completely dissolved；
(2) 4.5 parts of photocatalysts and 16 parts of imidazolidines are continuously added, stir 1-2 hours to get finished product.
The performance of the particieboard prepared in testing example one~tri- and comparative example one~tri- respectively, obtains following knot
Fruit:
Table:
In table: mould coverage rate refer to surface of chipboard be inoculated with trichoderma, in humidity be 85%, temperature be 28 DEG C in the environment of
7d is placed, its surface from mildewing nigrescence area coverage is then calculated.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (3)
1. a kind of environmental friendly, anti-corrosive particieboard, which comprises the following steps:
S1, prepare base-material: then common to add by bamboo and wood waste material, bamboo and wood leftover pieces, straw and rice husk by screening and magnetic impurity elimination
Enter into pulverizer, being crushed to partial size is 0.5~5mm, obtains base-material；
S2, preservative is prepared: 3~8 parts by weight of zinc silicate, 3~8 parts by weight of glass flake and 1~2 parts by weight of sodium propionate are common
Then the deionized water of 20~30 parts by weight is added in grinding, 3~8min of sonic oscillation, is then added after being warming up to 78~98 DEG C
Tetrahydroxy closes 3~5 parts by weight of sodium aluminate and 10~20 parts by weight of polytetrafluoroethylene powder, is continuously heating to 125~145 DEG C, heating
10~20min is stirred up to preservative；
S3, preparation anti-corrosion base-material: by 80~100 parts by weight of base-material, 10~18 parts by weight of ethylene glycol ether acetate and deionization
100~140 parts by weight of water are added in mixing machine jointly, and 115~135 DEG C are warming up to after being stirred, and are added in step S2
Preservative, with the revolving speed of 400~800r/min, 1~2h of stir process, then drying to moisture content is 0~17%, obtains anti-corrosion base
Material；
S4, it prepares particieboard: 5~12 parts by weight of methanal disintegrant, 4~8 parts by weight of urea-formaldehyde resin adhesive is added to jointly
It is 0.8~1.5MPa in pressure, under conditions of temperature is 134~154 DEG C, through plate after being uniformly mixed in anti-corrosion base-material
Press hot pressing is up to environmental friendly, anti-corrosive particieboard；
Above-mentioned methanal disintegrant is made by following methods:
A, prepare raw material, including 5~12 parts by weight of clay, 3~8 parts by weight of aluminium oxide, 1~2 parts by weight of peromag, iron chloride
1~2 parts by weight, 2~5 parts by weight of propandiol butyl ether, 2~5 parts by weight of hydrochloric acid solution that mass fraction is 3.5%, sulfomethylated lignin
Sour 1~3 parts by weight of ammonium, 20~30 parts by weight of deionized water；
B, clay, aluminium oxide, peromag and iron chloride are added to jointly in grinder, after being fully ground plus deionized water is super
Sound oscillation, be uniformly dispersed to obtain mixture I；
C, mixture I is warming up to 72~92 DEG C, the hydrochloric acid solution that mass fraction is 3.5%, insulated and stirred is added while stirring
After 20~40min, propandiol butyl ether and ammonium lignosulphonate is added, continues 8~15min of stirring, obtains methanal disintegrant.
2. a kind of environmental friendly, anti-corrosive particieboard according to claim 1, which is characterized in that the methanal disintegrant include with
Lower raw material: 6~10 parts by weight of clay, 4~7 parts by weight of aluminium oxide, 1.2~1.8 parts by weight of peromag, iron chloride 1.2~1.8
Parts by weight, 3~4 parts by weight of propandiol butyl ether, 3~4 parts by weight of hydrochloric acid solution that mass fraction is 3.5%, ammonium lignosulphonate
1.5~2.5 parts by weight, 22~28 parts by weight of deionized water.
3. a kind of environmental friendly, anti-corrosive particieboard according to claim 1, which is characterized in that the methanal disintegrant include with
Lower raw material: 8 parts by weight of clay, 5 parts by weight of aluminium oxide, 1.5 parts by weight of peromag, 1.5 parts by weight of iron chloride, propandiol butyl ether
3.5 parts by weight, 3.5 parts by weight of hydrochloric acid solution that mass fraction is 3.5%, 2 parts by weight of ammonium lignosulphonate, 25 weight of deionized water
Measure part.
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